diff --git a/pkgs/development/compilers/mentor/default.nix b/pkgs/development/compilers/mentor/default.nix
new file mode 100644
index 00000000000..e053599e5dd
--- /dev/null
+++ b/pkgs/development/compilers/mentor/default.nix
@@ -0,0 +1,75 @@
+# Sourcery CodeBench Lite toolchain(s) (GCC) from Mentor Graphics
+
+{ stdenv, fetchurl, patchelf, ncurses }:
+
+let
+
+  buildToolchain =
+    { name, src, description }:
+
+    stdenv.mkDerivation rec {
+      inherit name src;
+
+      buildInputs = [ patchelf ];
+
+      buildCommand = ''
+        # Unpack tarball
+        mkdir -p "$out"
+        tar --strip-components=1 -xjf "$src" -C "$out"
+
+        # Patch binaries
+        interpreter="$(cat "$NIX_GCC"/nix-support/dynamic-linker)"
+        for file in "$out"/bin/* "$out"/libexec/gcc/*/*/* "$out"/*/bin/*; do
+            # Skip non-executable files
+            case "$file" in
+              *README.txt) echo "skipping $file"; continue;;
+              *liblto_plugin.so*) echo "skipping $file"; continue;;
+            esac
+
+            # Skip directories
+            test -d "$file" && continue
+
+            echo "patchelf'ing $file"
+            patchelf --set-interpreter "$interpreter" "$file"
+
+            # GDB needs ncurses
+            case "$file" in
+              *gdb) patchelf --set-rpath "${ncurses}/lib" "$file";;
+            esac
+        done
+      '';
+
+      meta = with stdenv.lib; {
+        inherit description;
+        homepage = http://www.mentor.com/embedded-software/sourcery-tools/sourcery-codebench/editions/lite-edition/;
+        license = licenses.gpl3;
+        platforms = platforms.linux;
+        maintainers = [ maintainers.bjornfor ];
+      };
+    };
+
+in
+
+{
+
+  armLinuxGnuEabi = let version = "2013.05-24"; in buildToolchain rec {
+    name = "sourcery-codebench-lite-arm-linux-gnueabi-${version}";
+    description = "Sourcery CodeBench Lite toolchain (GCC) for ARM GNU/Linux, from Mentor Graphics";
+    src = fetchurl {
+      url = "http://sourcery.mentor.com/public/gnu_toolchain/arm-none-linux-gnueabi/arm-${version}-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2";
+      sha256 = "1xb075ia61c59cya2jl8zp4fvqpfnwkkc5330shvgdlg9981qprr";
+    };
+  };
+
+  armEabi = let version = "2013.05-23"; in buildToolchain rec {
+    name = "sourcery-codebench-lite-arm-eabi-${version}";
+    description = "Sourcery CodeBench Lite toolchain (GCC) for ARM EABI, from Mentor Graphics";
+    src = fetchurl {
+      url = "http://sourcery.mentor.com/public/gnu_toolchain/arm-none-eabi/arm-${version}-arm-none-eabi-i686-pc-linux-gnu.tar.bz2";
+      sha256 = "0nbvdwj3kcv9scx808gniqp0ncdiy2i7afmdvribgkz1lsfin923";
+    };
+  };
+
+  # TODO: Sourcery CodeBench is also available for MIPS, Power, SuperH,
+  # ColdFire (and more).
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 46af1bff4f2..3d28c20235b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2616,6 +2616,10 @@ let
       else stdenv;
   };
 
+  mentorToolchains = recurseIntoAttrs (
+    callPackage_i686 ../development/compilers/mentor {}
+  );
+
   mitscheme = callPackage ../development/compilers/mit-scheme { };
 
   mlton = callPackage ../development/compilers/mlton { };